Ночной режим / Night mode

Disable Right Click is a free extension for cancellation up right-click context menu, and it is intended primarily for the preservation of important information on the website – copy is possible, but inconvenient.
Disable Right Click

This plugin also allows you to disable the ability to highlight text or images, copy, as well as to exercise complete control over the option with the right mouse button. Shown, if necessary, a pop-up window that shows this trip. Besides, Joomla extension allows you to set rights to perform the action, it means that you will be able to provide access to the allocation only to registered users of the site, etc.
Advantages
The free plugin.
All main actions in a single solution.
Full control with the right mouse button.